diff --git a/doc/site/values.markdown b/doc/site/values.markdown
index e09de6b9..f56232e8 100644
--- a/doc/site/values.markdown
+++ b/doc/site/values.markdown
@@ -30,6 +30,7 @@ from other languages:
 0.0314159e02
 0.0314159e+02
 314.159e-02
+0xcaffe2
 </pre>
 
 Numbers are instances of the [Num][] class.